* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
*****************************************************************************/
-#include <stdlib.h>
#include <stdio.h>
#include <string.h>
-#include "../core/common.h"
-#include "../core/vlc.h"
+#include "common/common.h"
+#include "common/vlc.h"
#include "macroblock.h"
static const uint8_t intra4x4_cbp_to_golomb[48]=
1, 32, 33, 36, 34, 37, 44, 40, 35, 45, 38, 41, 39, 42, 43, 19,
6, 24, 25, 20, 26, 21, 46, 28, 27, 47, 22, 29, 23, 30, 31, 12
};
-
-static const uint8_t block_idx_x[16] =
+static const uint8_t mb_type_b_to_golomb[3][9]=
{
- 0, 1, 0, 1, 2, 3, 2, 3, 0, 1, 0, 1, 2, 3, 2, 3
+ { 4, 8, 12, 10, 6, 14, 16, 18, 20 }, /* D_16x8 */
+ { 5, 9, 13, 11, 7, 15, 17, 19, 21 }, /* D_8x16 */
+ { 1, -1, -1, -1, 2, -1, -1, -1, 3 } /* D_16x16 */
};
-static const uint8_t block_idx_y[16] =
+static const uint8_t sub_mb_type_p_to_golomb[4]=
{
- 0, 0, 1, 1, 0, 0, 1, 1, 2, 2, 3, 3, 2, 2, 3, 3
+ 3, 1, 2, 0
};
-static const uint8_t block_idx_xy[4][4] =
+static const uint8_t sub_mb_type_b_to_golomb[13]=
{
- { 0, 2, 8, 10},
- { 1, 3, 9, 11},
- { 4, 6, 12, 14},
- { 5, 7, 13, 15}
+ 10, 4, 5, 1, 11, 6, 7, 2, 12, 8, 9, 3, 0
};
#define BLOCK_INDEX_CHROMA_DC (-1)
if( i_level_code >= ( 1 << 12 ) || i_level_code < 0 )
{
- fprintf( stderr, "OVERFLOW levelcode=%d\n", i_level_code );
+ x264_log(h, X264_LOG_ERROR, "OVERFLOW levelcode=%d\n", i_level_code );
}
bs_write( s, 12, i_level_code ); /* check overflow ?? */
}
}
+static void cavlc_qp_delta( x264_t *h, bs_t *s )
+{
+ int i_dqp = h->mb.i_qp - h->mb.i_last_qp;
+ if( i_dqp )
+ {
+ if( i_dqp < -26 )
+ i_dqp += 52;
+ else if( i_dqp > 25 )
+ i_dqp -= 52;
+ }
+ bs_write_se( s, i_dqp );
+}
+
+static void x264_sub_mb_mv_write_cavlc( x264_t *h, bs_t *s, int i_list )
+{
+ int i;
+ for( i = 0; i < 4; i++ )
+ {
+ int mvp[2];
+
+ if( !x264_mb_partition_listX_table[i_list][ h->mb.i_sub_partition[i] ] )
+ {
+ continue;
+ }
+
+ switch( h->mb.i_sub_partition[i] )
+ {
+ case D_L0_8x8:
+ case D_L1_8x8:
+ case D_BI_8x8:
+ x264_mb_predict_mv( h, i_list, 4*i, 2, mvp );
+ bs_write_se( s, h->mb.cache.mv[i_list][x264_scan8[4*i]][0] - mvp[0] );
+ bs_write_se( s, h->mb.cache.mv[i_list][x264_scan8[4*i]][1] - mvp[1] );
+ break;
+ case D_L0_8x4:
+ case D_L1_8x4:
+ case D_BI_8x4:
+ x264_mb_predict_mv( h, i_list, 4*i+0, 2, mvp );
+ bs_write_se( s, h->mb.cache.mv[i_list][x264_scan8[4*i]][0] - mvp[0] );
+ bs_write_se( s, h->mb.cache.mv[i_list][x264_scan8[4*i]][1] - mvp[1] );
+
+ x264_mb_predict_mv( h, i_list, 4*i+2, 2, mvp );
+ bs_write_se( s, h->mb.cache.mv[i_list][x264_scan8[4*i+2]][0] - mvp[0] );
+ bs_write_se( s, h->mb.cache.mv[i_list][x264_scan8[4*i+2]][1] - mvp[1] );
+ break;
+ case D_L0_4x8:
+ case D_L1_4x8:
+ case D_BI_4x8:
+ x264_mb_predict_mv( h, i_list, 4*i+0, 1, mvp );
+ bs_write_se( s, h->mb.cache.mv[i_list][x264_scan8[4*i]][0] - mvp[0] );
+ bs_write_se( s, h->mb.cache.mv[i_list][x264_scan8[4*i]][1] - mvp[1] );
+
+ x264_mb_predict_mv( h, i_list, 4*i+1, 1, mvp );
+ bs_write_se( s, h->mb.cache.mv[i_list][x264_scan8[4*i+1]][0] - mvp[0] );
+ bs_write_se( s, h->mb.cache.mv[i_list][x264_scan8[4*i+1]][1] - mvp[1] );
+ break;
+ case D_L0_4x4:
+ case D_L1_4x4:
+ case D_BI_4x4:
+ x264_mb_predict_mv( h, i_list, 4*i+0, 1, mvp );
+ bs_write_se( s, h->mb.cache.mv[i_list][x264_scan8[4*i]][0] - mvp[0] );
+ bs_write_se( s, h->mb.cache.mv[i_list][x264_scan8[4*i]][1] - mvp[1] );
+
+ x264_mb_predict_mv( h, i_list, 4*i+1, 1, mvp );
+ bs_write_se( s, h->mb.cache.mv[i_list][x264_scan8[4*i+1]][0] - mvp[0] );
+ bs_write_se( s, h->mb.cache.mv[i_list][x264_scan8[4*i+1]][1] - mvp[1] );
+
+ x264_mb_predict_mv( h, i_list, 4*i+2, 1, mvp );
+ bs_write_se( s, h->mb.cache.mv[i_list][x264_scan8[4*i+2]][0] - mvp[0] );
+ bs_write_se( s, h->mb.cache.mv[i_list][x264_scan8[4*i+2]][1] - mvp[1] );
+
+ x264_mb_predict_mv( h, i_list, 4*i+3, 1, mvp );
+ bs_write_se( s, h->mb.cache.mv[i_list][x264_scan8[4*i+3]][0] - mvp[0] );
+ bs_write_se( s, h->mb.cache.mv[i_list][x264_scan8[4*i+3]][1] - mvp[1] );
+ break;
+ }
+ }
+}
+
+static void x264_macroblock_luma_write_cavlc( x264_t *h, bs_t *s )
+{
+ int i8, i4, i;
+ if( h->mb.b_transform_8x8 )
+ {
+ /* shuffle 8x8 dct coeffs into 4x4 lists */
+ for( i8 = 0; i8 < 4; i8++ )
+ if( h->mb.i_cbp_luma & (1 << i8) )
+ for( i4 = 0; i4 < 4; i4++ )
+ {
+ for( i = 0; i < 16; i++ )
+ h->dct.block[i4+i8*4].luma4x4[i] = h->dct.luma8x8[i8][i4+i*4];
+ h->mb.cache.non_zero_count[x264_scan8[i4+i8*4]] =
+ array_non_zero_count( h->dct.block[i4+i8*4].luma4x4, 16 );
+ }
+ }
+
+ for( i8 = 0; i8 < 4; i8++ )
+ if( h->mb.i_cbp_luma & (1 << i8) )
+ for( i4 = 0; i4 < 4; i4++ )
+ block_residual_write_cavlc( h, s, i4+i8*4, h->dct.block[i4+i8*4].luma4x4, 16 );
+}
+
/*****************************************************************************
* x264_macroblock_write:
*****************************************************************************/
int i_mb_i_offset;
int i;
+#ifndef RDO_SKIP_BS
+ const int i_mb_pos_start = bs_pos( s );
+ int i_mb_pos_tex;
+#endif
+
switch( h->sh.i_type )
{
case SLICE_TYPE_I:
i_mb_i_offset = 23;
break;
default:
- fprintf( stderr, "internal error or slice unsupported\n" );
+ x264_log(h, X264_LOG_ERROR, "internal error or slice unsupported\n" );
return;
}
/* Untested */
bs_write_ue( s, i_mb_i_offset + 25 );
+#ifdef RDO_SKIP_BS
+ s->i_bits_encoded += 384*8;
+#else
bs_align_0( s );
/* Luma */
for( i = 0; i < 16*16; i++ )
const int y = 8 * h->mb.i_mb_y + (i / 8);
bs_write( s, 8, h->fenc->plane[2][y*h->mb.pic.i_stride[2]+x] );
}
+#endif
return;
}
- else if( i_mb_type == I_4x4 )
+ else if( i_mb_type == I_4x4 || i_mb_type == I_8x8 )
{
+ int di = i_mb_type == I_8x8 ? 4 : 1;
bs_write_ue( s, i_mb_i_offset + 0 );
+ if( h->pps->b_transform_8x8_mode )
+ bs_write1( s, h->mb.b_transform_8x8 );
/* Prediction: Luma */
- for( i = 0; i < 16; i++ )
+ for( i = 0; i < 16; i += di )
{
int i_pred = x264_mb_predict_intra4x4_mode( h, i );
- int i_mode = h->mb.cache.intra4x4_pred_mode[x264_scan8[i]];
+ int i_mode = x264_mb_pred_mode4x4_fix( h->mb.cache.intra4x4_pred_mode[x264_scan8[i]] );
if( i_pred == i_mode)
{
}
}
}
- bs_write_ue( s, h->mb.i_chroma_pred_mode );
+ bs_write_ue( s, x264_mb_pred_mode8x8c_fix[ h->mb.i_chroma_pred_mode ] );
}
else if( i_mb_type == I_16x16 )
{
- bs_write_ue( s, i_mb_i_offset + 1 + h->mb.i_intra16x16_pred_mode +
+ bs_write_ue( s, i_mb_i_offset + 1 + x264_mb_pred_mode16x16_fix[h->mb.i_intra16x16_pred_mode] +
h->mb.i_cbp_chroma * 4 + ( h->mb.i_cbp_luma == 0 ? 0 : 12 ) );
- bs_write_ue( s, h->mb.i_chroma_pred_mode );
+ bs_write_ue( s, x264_mb_pred_mode8x8c_fix[ h->mb.i_chroma_pred_mode ] );
}
else if( i_mb_type == P_L0 )
{
/* sub mb type */
for( i = 0; i < 4; i++ )
{
- switch( h->mb.i_sub_partition[i] )
- {
- case D_L0_8x8:
- bs_write_ue( s, 0 );
- break;
- case D_L0_8x4:
- bs_write_ue( s, 1 );
- break;
- case D_L0_4x8:
- bs_write_ue( s, 2 );
- break;
- case D_L0_4x4:
- bs_write_ue( s, 3 );
- break;
- }
+ bs_write_ue( s, sub_mb_type_p_to_golomb[ h->mb.i_sub_partition[i] ] );
}
/* ref0 */
if( h->sh.i_num_ref_idx_l0_active > 1 && b_sub_ref0 )
bs_write_te( s, h->sh.i_num_ref_idx_l0_active - 1, h->mb.cache.ref[0][x264_scan8[8]] );
bs_write_te( s, h->sh.i_num_ref_idx_l0_active - 1, h->mb.cache.ref[0][x264_scan8[12]] );
}
+
+ x264_sub_mb_mv_write_cavlc( h, s, 0 );
+ }
+ else if( i_mb_type == B_8x8 )
+ {
+ bs_write_ue( s, 22 );
+
+ /* sub mb type */
+ for( i = 0; i < 4; i++ )
+ {
+ bs_write_ue( s, sub_mb_type_b_to_golomb[ h->mb.i_sub_partition[i] ] );
+ }
+ /* ref */
for( i = 0; i < 4; i++ )
{
- int mvp[2];
-
- switch( h->mb.i_sub_partition[i] )
+ if( x264_mb_partition_listX_table[0][ h->mb.i_sub_partition[i] ] )
{
- case D_L0_8x8:
- x264_mb_predict_mv( h, 0, 4*i, 2, mvp );
- bs_write_se( s, h->mb.cache.mv[0][x264_scan8[4*i]][0] - mvp[0] );
- bs_write_se( s, h->mb.cache.mv[0][x264_scan8[4*i]][1] - mvp[1] );
- break;
- case D_L0_8x4:
- x264_mb_predict_mv( h, 0, 4*i+0, 2, mvp );
- bs_write_se( s, h->mb.cache.mv[0][x264_scan8[4*i]][0] - mvp[0] );
- bs_write_se( s, h->mb.cache.mv[0][x264_scan8[4*i]][1] - mvp[1] );
-
- x264_mb_predict_mv( h, 0, 4*i+2, 2, mvp );
- bs_write_se( s, h->mb.cache.mv[0][x264_scan8[4*i+2]][0] - mvp[0] );
- bs_write_se( s, h->mb.cache.mv[0][x264_scan8[4*i+2]][1] - mvp[1] );
- break;
- case D_L0_4x8:
- x264_mb_predict_mv( h, 0, 4*i+0, 1, mvp );
- bs_write_se( s, h->mb.cache.mv[0][x264_scan8[4*i]][0] - mvp[0] );
- bs_write_se( s, h->mb.cache.mv[0][x264_scan8[4*i]][1] - mvp[1] );
-
- x264_mb_predict_mv( h, 0, 4*i+1, 1, mvp );
- bs_write_se( s, h->mb.cache.mv[0][x264_scan8[4*i+1]][0] - mvp[0] );
- bs_write_se( s, h->mb.cache.mv[0][x264_scan8[4*i+1]][1] - mvp[1] );
- break;
- case D_L0_4x4:
- x264_mb_predict_mv( h, 0, 4*i+0, 1, mvp );
- bs_write_se( s, h->mb.cache.mv[0][x264_scan8[4*i]][0] - mvp[0] );
- bs_write_se( s, h->mb.cache.mv[0][x264_scan8[4*i]][1] - mvp[1] );
-
- x264_mb_predict_mv( h, 0, 4*i+1, 1, mvp );
- bs_write_se( s, h->mb.cache.mv[0][x264_scan8[4*i+1]][0] - mvp[0] );
- bs_write_se( s, h->mb.cache.mv[0][x264_scan8[4*i+1]][1] - mvp[1] );
-
- x264_mb_predict_mv( h, 0, 4*i+2, 1, mvp );
- bs_write_se( s, h->mb.cache.mv[0][x264_scan8[4*i+2]][0] - mvp[0] );
- bs_write_se( s, h->mb.cache.mv[0][x264_scan8[4*i+2]][1] - mvp[1] );
-
- x264_mb_predict_mv( h, 0, 4*i+3, 1, mvp );
- bs_write_se( s, h->mb.cache.mv[0][x264_scan8[4*i+3]][0] - mvp[0] );
- bs_write_se( s, h->mb.cache.mv[0][x264_scan8[4*i+3]][1] - mvp[1] );
- break;
+ bs_write_te( s, h->sh.i_num_ref_idx_l0_active - 1, h->mb.cache.ref[0][x264_scan8[i*4]] );
}
}
- }
- else if( i_mb_type == B_8x8 )
- {
- fprintf( stderr, "invalid/unhandled mb_type (B_8x8)\n" );
- return;
+ for( i = 0; i < 4; i++ )
+ {
+ if( x264_mb_partition_listX_table[1][ h->mb.i_sub_partition[i] ] )
+ {
+ bs_write_te( s, h->sh.i_num_ref_idx_l1_active - 1, h->mb.cache.ref[1][x264_scan8[i*4]] );
+ }
+ }
+ /* mvd */
+ x264_sub_mb_mv_write_cavlc( h, s, 0 );
+ x264_sub_mb_mv_write_cavlc( h, s, 1 );
}
else if( i_mb_type != B_DIRECT )
{
}
- if( h->mb.i_partition == D_16x16 )
- {
- if( b_list[0][0] && b_list[1][0] )
- {
- bs_write_ue( s, 3 );
- }
- else if( b_list[1][0] )
- {
- bs_write_ue( s, 2 );
- }
- else
- {
- bs_write_ue( s, 1 );
- }
- }
- else
- {
- if( i_mb_type == B_BI_BI )
- {
- bs_write_ue( s, 20 + (h->mb.i_partition == D_16x8 ? 0 : 1 ) );
- }
- else if( b_list[0][0] && b_list[1][0] )
- {
- /* B_BI_LX* */
- bs_write_ue( s, 16 + (b_list[0][1]?0:2) + (h->mb.i_partition == D_16x8?0:1) );
- }
- else if( b_list[0][1] && b_list[1][1] )
- {
- /* B_LX_BI */
- bs_write_ue( s, 12 + (b_list[0][1]?0:2) + (h->mb.i_partition == D_16x8?0:1) );
- }
- else if( b_list[1][1] )
- {
- /* B_LX_L1 */
- bs_write_ue( s, 6 + (b_list[0][0]?2:0) + (h->mb.i_partition == D_16x8?0:1) );
- }
- else if( b_list[0][1] )
- {
- /* B_LX_L0 */
- bs_write_ue( s, 4 + (b_list[0][0]?0:6) + (h->mb.i_partition == D_16x8?0:1) );
- }
- }
+ bs_write_ue( s, mb_type_b_to_golomb[ h->mb.i_partition - D_16x8 ][ i_mb_type - B_L0_L0 ] );
for( i_list = 0; i_list < 2; i_list++ )
{
}
else
{
- fprintf( stderr, "invalid/unhandled mb_type\n" );
+ x264_log(h, X264_LOG_ERROR, "invalid/unhandled mb_type\n" );
return;
}
+#ifndef RDO_SKIP_BS
+ i_mb_pos_tex = bs_pos( s );
+ h->stat.frame.i_hdr_bits += i_mb_pos_tex - i_mb_pos_start;
+#endif
+
/* Coded block patern */
- if( i_mb_type == I_4x4 )
+ if( i_mb_type == I_4x4 || i_mb_type == I_8x8 )
{
bs_write_ue( s, intra4x4_cbp_to_golomb[( h->mb.i_cbp_chroma << 4 )|h->mb.i_cbp_luma] );
}
bs_write_ue( s, inter_cbp_to_golomb[( h->mb.i_cbp_chroma << 4 )|h->mb.i_cbp_luma] );
}
+ /* transform size 8x8 flag */
+ if( h->mb.cache.b_transform_8x8_allowed && h->mb.i_cbp_luma && !IS_INTRA(i_mb_type) )
+ {
+ bs_write1( s, h->mb.b_transform_8x8 );
+ }
+
/* write residual */
if( i_mb_type == I_16x16 )
{
- bs_write_se( s, h->mb.qp[h->mb.i_mb_xy] - h->mb.i_last_qp );
+ cavlc_qp_delta( h, s );
/* DC Luma */
block_residual_write_cavlc( h, s, BLOCK_INDEX_LUMA_DC , h->dct.luma16x16_dc, 16 );
+ /* AC Luma */
if( h->mb.i_cbp_luma != 0 )
- {
- /* AC Luma */
for( i = 0; i < 16; i++ )
- {
block_residual_write_cavlc( h, s, i, h->dct.block[i].residual_ac, 15 );
- }
- }
}
else if( h->mb.i_cbp_luma != 0 || h->mb.i_cbp_chroma != 0 )
{
- bs_write_se( s, h->mb.qp[h->mb.i_mb_xy] - h->mb.i_last_qp );
-
- for( i = 0; i < 16; i++ )
- {
- if( h->mb.i_cbp_luma & ( 1 << ( i / 4 ) ) )
- {
- block_residual_write_cavlc( h, s, i, h->dct.block[i].luma4x4, 16 );
- }
- }
+ cavlc_qp_delta( h, s );
+ x264_macroblock_luma_write_cavlc( h, s );
}
if( h->mb.i_cbp_chroma != 0 )
{
block_residual_write_cavlc( h, s, BLOCK_INDEX_CHROMA_DC, h->dct.chroma_dc[0], 4 );
block_residual_write_cavlc( h, s, BLOCK_INDEX_CHROMA_DC, h->dct.chroma_dc[1], 4 );
if( h->mb.i_cbp_chroma&0x02 ) /* Chroma AC residual present */
- {
for( i = 0; i < 8; i++ )
- {
block_residual_write_cavlc( h, s, 16 + i, h->dct.block[16+i].residual_ac, 15 );
- }
- }
}
+
+#ifndef RDO_SKIP_BS
+ if( IS_INTRA( i_mb_type ) )
+ h->stat.frame.i_itex_bits += bs_pos(s) - i_mb_pos_tex;
+ else
+ h->stat.frame.i_ptex_bits += bs_pos(s) - i_mb_pos_tex;
+#endif
}